Disk /dev/sda: 232.89 GiB, 250059350016 bytes, 488397168 sectors Disk model: Samsung SSD 840 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 1048576 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 4096 618495 614400 300M EFI System /dev/sda2 618496 488391998 487773503 232.6G Linux filesystem Disk /dev/zram0: 3.86 GiB, 4141875200 bytes, 1011200 sectors Units: sectors of 1 * 4096 = 4096 bytes Sector size (logical/physical): 4096 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes